CN102128837B - Real-time acquisition experimental device for flowing foam structural images in porous media - Google Patents
Real-time acquisition experimental device for flowing foam structural images in porous media Download PDFInfo
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- CN102128837B CN102128837B CN2011100090697A CN201110009069A CN102128837B CN 102128837 B CN102128837 B CN 102128837B CN 2011100090697 A CN2011100090697 A CN 2011100090697A CN 201110009069 A CN201110009069 A CN 201110009069A CN 102128837 B CN102128837 B CN 102128837B
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Abstract
The invention discloses a real-time acquisition experimental device for flowing foam structural images in porous media (rocks), which comprises a gas-liquid injecting system, a foam seepage simulation system, an image acquisition system and an output fluid separation metering system, wherein the gas-liquid injecting system is used for providing the fluid condition of a foam seepage simulation experiment; the foam seepage simulation system is used for simulating the environment of porous media of foam seepage and monitoring pressure data in the simulation process; the image acquisition system is used for acquiring foam microstructure images in the process of the foam seepage; and the output fluid separation metering system is used for separating and metering output fluid at a rock outlet automatically. Aiming at foam seeped in the real rocks in the high-pressure experimental state, the real-time dynamic observation and image acquisition of a foam microstructure are realized. The real-time acquisition experimental device has high practicability, performs quantitative description on a foam structure on the basis of the image acquisition, and provides an effective tool for developing microcosmic flowing study on foam in the porous media.
Description
Technical field
The present invention relates to the foam texture IMAQ experimental provision that flows in the experimental provision in a kind of oil development field, particularly porous medium (rock).
Background technology
Foam flooding is that a kind of nitrogen, rock gas or other gas of utilizing mixes the flooding method of formation foam as displacement of reservoir oil medium with foaming agent.This technology can improve oil recovery factor effectively, and it progressively becomes the another main force of east China oil field after polymer displacement of reservoir oil tech and improves one of oil recovery factor technology.Yet the microscopic seepage of foam system in porous medium is a very complicated process, and it relates to foam at generation in porous medium, migration, shattered to pieces, regeneration mechanism.In depth study aerated fluid in porous medium during seepage flow foam morphosis Changing Pattern have great importance.
Fluid seepage flow The Characteristics means in porous medium (rock) at present commonly used comprise that NMR imaging instrument (NMRI or MRI) is technological, CT scan is technological, rock displacement physical simulation and microcosmic etching model etc.
Because the liquid film wall in the aerated fluid between a plurality of gas foams is too thin, NMR imaging instrument and CT scan technology are difficult to a plurality of gas foams are distinguished, and cause these two technology application in the foam texture observational study to be restricted; Rock displacement physical simulation flow in the porous medium under can the simulated high-pressure state pressure and the traffic characteristic of foam, but rock is by the clamping of steel rock clamper, the rock interior foam texture that flows is not visual; The microcosmic etching model is to adopt rock pore throat characteristic light after the photochemical etching technology will be amplified to be engraved on the material such as glass, and the high temperature sintering moulding is processed after hydrofluoric acid etch.On the microcosmic etching model, carry out the moving experiment of foam stream, but the generation when in porous medium pore throat structure, flowing through microscope Direct observation foam, vanish, regenerative process, that joins can observe and write down foam texture and moving situation with the video camera system.But there is following limitation in the microcosmic etching model: (1) this model is not high pressure resistant, can only under normal pressure (standard atmospheric pressure or a little more than standard atmospheric pressure), experimentize usually, can not consider the influence of pressure to foam texture; (2) this model belongs to two dimensional model, and what reflect on the glass material is the rock pore throat characteristic after amplifying, and can not accurately reflect the porous medium characteristic of true rock.
Summary of the invention
The objective of the invention is to provide the foam texture image real-time acquisition experimental provision that flows in a kind of porous medium, be used for being familiar with the microstructure characteristic of foam in the Porous Media process.
For realizing above purpose; Foam texture image real-time acquisition experimental provision flows in a kind of porous medium provided by the invention; Comprise gas-liquid injected system, foam seepage simulation system, image capturing system and produced fluid separate measurement system, wherein the gas-liquid injected system is made up of micro-constant-flux pump, gas mass flow controller and gas cylinder; Foam seepage simulation system is made up of multi-measuring point fill out sand tube model, pressure transducer and six-way valve; Produced fluid separate measurement system is made up of back pressure control device, tripping device and WT-MSR.Between foam seepage simulation system and produced fluid separate measurement system, also be connected with image capturing system; This image capturing system is made up of foam micromechanism view window, amplification foam micromechanism microscope, colour imagery shot and computing machine; Wherein the inlet end of foam micromechanism view window connects the six-way valve of foam seepage simulation system; The endpiece of view window connects the back pressure control device in the produced fluid separate measurement system, and view window is made up of the withstand voltage organic glass of two 5cm * 2cm, and the outside is fixed by the bloom structure; There is metallic gasket seepage channel edge between two glass sheet, and the thickness of metallic gasket is 20 μ m-200 μ m.
Above-mentioned gas mass rate controller measurement range 0-30mL/min, pressure limit 0-30MPa.
Above-mentioned multi-measuring point fill out sand tube model pressure transducer precision is 0.01MPa.
Above-mentioned view window is formed pressure limit 0-10MPa by the high pressure resistant organic glass of two 5cm * 2cm.Physical dimension 10cm * 10cm is fixed in the outside by the bloom structure.Be seepage channel between two glass sheet, channel thickness is confirmed by the edge metallic gasket, thickness range 20 μ m-200 μ m.View window is connected with injection side, output end and each pressure tap of middle part of multi-measuring point fill out sand tube through six-way valve, and the inlet end of view window also links to each other with the back pressure control device.
The micro objective multiple of above-mentioned amplification foam micromechanism be 1-80 *, the objective table bottom light source of having powerful connections, described colour imagery shot camera function pixel is 1,200 ten thousand.
The present invention is on the basis of foam seepage simulation system, and the foam that under high pressure conditions, will flow exports to foam micromechanism view window and realizes that the foam texture image real-time is observed and collection from the fill out sand tube model.Obtain constantly different and different rock cores position foam microstructural image through image capturing system, realized that the Real-time and Dynamic to foam texture in porous medium (rock) flow event is observed and IMAQ under the high pressure conditions.
Description of drawings
Fig. 1 is the synoptic diagram according to the foam texture image real-time acquisition experimental provision that flows in the porous medium provided by the present invention.
Fig. 2 is the top of foam micromechanism view window in the experimental provision provided by the present invention.
Fig. 3 is the longitudinal sectional drawing of foam micromechanism view window in the experimental provision provided by the present invention.
Embodiment
Describe the present invention below in conjunction with accompanying drawing.
Mobile foam texture image real-time acquisition experimental provision comprises gas-liquid injected system, foam seepage simulation system, image capturing system and produced fluid separate measurement system in the porous medium.Wherein, The gas-liquid injected system comprises that micro-constant-flux pump 1, gas mass flow controller 2 and gas cylinder 3 form; Trace constant-flux pump 1 links to each other with the frothing agent container entrance; The foaming agent solution outlet links to each other with the inlet of foam seepage simulation system with gaseous mass flow quantity control instrument 2 jointly, is used to provide the injection condition that generates foam; In foam seepage simulation system, multi-measuring point fill out sand tube model 4 is used for producing the foam that flows at porous medium (rock), and each measuring point pressure transducer 5 is connected on the six-way valve 6, is used for gathering each measuring point pressure and each measuring point aerated fluid of derivation of experimentation; In image capturing system, foam micromechanism view window 7 is by the high pressure resistant organic glass sheet 19 and high pressure resistant organic glass sheet 19 of two 5cm * 2cm
/Form glass sheet 19 and glass sheet 19
/Be up and down plastic spacer 18 and plastic spacer 18
/, be rubber seal 21 on every side, outside by bloom structure 16 and bloom structure 16
/Bolt 14 through having scale is fixing, bloom structure 16 and bloom structure 16
/The middle part have viewport 17 and viewport 17
/Organic glass sheet 19 and organic glass sheet 19
/Between be seepage channel, channel thickness confirms that by the metallic gasket of edge 20 thickness range is 20 μ m-200 μ m, the passage two ends are through conduit 15 and conduit 15
/Link to each other with the back pressure control device 11 of six-way valve 6 respectively with produced fluid separate measurement system; Be used for gathering the mobile foam that flow out at each measuring point place of porous medium; Amplify foam micromechanism microscope 8 and be used for observation and the mobile foam texture of record with colour imagery shot 9; Computing machine 10 links to each other with colour imagery shot 9, is used for gathering and storage foam microstructural image; In produced fluid separate measurement system, back pressure control device 11 is used to control the back pressure of foam flow event, and tripping device 12, WT-MSR 13 are used for separating and the metering produced fluid.
When the present invention works; At first experiment condition (gas, liquid injection rate, back pressure etc.), injecting gas and frothing agent are set through the gas-liquid injected system; In multi-measuring point fill out sand tube model 4, generate aerated fluid gradually; Get into foam micromechanism view windows 7 through six-way valve 6 after arriving endpiece, observe the foam texture characteristic that flows through amplifying foam micromechanism microscope 8 with colour imagery shot 9, the screen preview foam flow state through computing machine 10 is also stored.In the experimentation, can make different measuring points place aerated fluid get into foam micromechanism view window 7, observation fill out sand tube different parts foam texture characteristic through adjustment six-way valve 6.
The present invention is directed under the High-Voltage Experimentation state foam of seepage flow in the true rock, realized that the Real-time and Dynamic of foam micromechanism is observed and IMAQ.The present invention is practical, on the images acquired basis, can carry out quantification to foam texture and describe, and for carrying out the mobile research of the microcosmic of foam in porous medium effective instrument is provided.
Claims (3)
1. foam texture image real-time acquisition experimental provision flows in the porous medium; Comprise gas-liquid injected system, foam seepage simulation system and produced fluid separate measurement system, wherein the gas-liquid injected system is made up of micro-constant-flux pump, gas mass flow controller and gas cylinder; Foam seepage simulation system is made up of multi-measuring point fill out sand tube, pressure transducer and six-way valve; Produced fluid separate measurement system is made up of back pressure control device, gas-liquid separation device and WT-MSR; It is characterized in that between foam seepage simulation system and produced fluid separate measurement system, also being connected with image capturing system; This image capturing system is made up of foam micromechanism view window, amplification foam micromechanism microscope, colour imagery shot and computing machine; Wherein the inlet end of foam micromechanism view window connects the six-way valve of foam seepage simulation system, and the endpiece of view window connects the back pressure control device in the produced fluid separate measurement system, and view window is made up of the high pressure resistant organic glass of two 5cm * 2cm; Pressure limit 0-10MPa; The outside is fixed by the bloom structure, and there is metallic gasket the seepage channel edge between two glass sheet, and the thickness of metallic gasket is 20 μ m-200 μ m.
2. mobile foam texture image real-time acquisition experimental provision is characterized in that in the porous medium according to claim 1, and foam micromechanism view window is placed on the microscope stage with the set bolt that has scale, can the free adjustment position.
3. foam texture image real-time acquisition experimental provision flows in the porous medium according to claim 1; It is characterized in that; Said view window is connected with injection side, output end and each pressure tap of middle part of multi-measuring point fill out sand tube through six-way valve, and the inlet end of view window also links to each other with the back pressure control device.
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| CN2011100090697A CN102128837B (en) | 2011-01-08 | 2011-01-08 | Real-time acquisition experimental device for flowing foam structural images in porous media |
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| CN2011100090697A CN102128837B (en) | 2011-01-08 | 2011-01-08 | Real-time acquisition experimental device for flowing foam structural images in porous media |
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| CN102128837A CN102128837A (en) | 2011-07-20 |
| CN102128837B true CN102128837B (en) | 2012-08-22 |
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| CN103207257B (en) * | 2012-01-12 | 2015-02-18 | 中国科学院理化技术研究所 | Glass medium model of imitative core structure |
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| CN113514371B (en) * | 2021-04-26 | 2023-04-25 | 东北石油大学 | Device and method for evaluating seepage performance of oil displacement agent |
| CN113533337B (en) * | 2021-07-19 | 2023-11-03 | 中国石油大学(华东) | Method and device for determining generation and collapse speeds of foam seepage bubbles of oil reservoir |
| CN113804835A (en) * | 2021-09-15 | 2021-12-17 | 西南石油大学 | High-temperature high-pressure long-distance foam evaluation device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500803Y (en) * | 2001-08-27 | 2002-07-17 | 石油大学(华东) | Visible physics simulation displacement plane model for oil displacement |
| CN2927035Y (en) * | 2006-06-21 | 2007-07-25 | 西南石油大学 | Drilling-liquid semi-transparent film determiner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH076921B2 (en) * | 1989-05-15 | 1995-01-30 | 株式会社ニレコ | Bubble tissue measurement method |
| US7693322B2 (en) * | 2003-02-28 | 2010-04-06 | Imperial Chemical Industries Plc | Foam assessment |
| WO2005003758A1 (en) * | 2003-06-25 | 2005-01-13 | Mir-Chem Gmbh | Method and device for measuring foam |
-
2011
- 2011-01-08 CN CN2011100090697A patent/CN102128837B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500803Y (en) * | 2001-08-27 | 2002-07-17 | 石油大学(华东) | Visible physics simulation displacement plane model for oil displacement |
| CN2927035Y (en) * | 2006-06-21 | 2007-07-25 | 西南石油大学 | Drilling-liquid semi-transparent film determiner |
Non-Patent Citations (4)
| Title |
|---|
| Benji Maruyama,et al.A new technique for obtaining three-dimensional structures in pitch-based carbon foams.《Scripta Materialia》.2006,第54卷1709-1713. * |
| JP平2-298837A 1990.12.11 |
| 刘中春等.泡沫复合驱微观驱油特性分析.《石油大学学报》.2003,第27卷(第1期),49-53. * |
| 王其伟等.泡沫流体在孔隙介质中的流动特点研究.《石油钻采工艺》.2008,第30卷(第2期),90-92. * |
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